Physics 7
Introduction to Astronomy

H. E. Smith Winter 1999

  Gene Smith's Astronomy Tutorial

Galaxies - The Sb Galaxy M81

Credit & Copyright:Grove Creek Observatory, NSW, Australia

Messier 81 is the largest member of a small group in the direction of Ursa Major (The Big Bear/Dipper) 12 million light-years away from our Galaxy. M81 has been shown to have a very faint active Seyfert nucleus.

See Bill Keel's series of M81 images at different wavelengths.

Back to Tutorial - Galaxies  
Gene Smith